Home / 789,315.60-1,183,424.22-339,901.68

Finding the Fourth Proportional to 789,315.60, 1,183,424.22 and 339,901.68

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Solution

The fourth proportional to 789,315.60, 1,183,424.22 and 339,901.68 is: 509,616.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,315.60 : 1,183,424.22 = 339,901.68 : x
  2. Step 2: Convert to fraction form
    789,315.60/1,183,424.22 = 339,901.68/x
  3. Step 3: Cross multiply
    789,315.60x = 1,183,424.22 × 339,901.68
  4. Step 4: Simplify right side
    789,315.60x = 402,247,880,530.69
  5. Step 5: Solve for x
    x = 402,247,880,530.69/789,315.60
  6. Step 6: Final answer
    x = 509,616.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.